OBD Guide

B2327

Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground

B2327 is an OBD-II diagnostic trouble code meaning: Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground. Common causes: short circuit to ground in wiring harness, vertical adjustment potentiometer malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the vertical mirror adjustment
  • The mirror does not move in the vertical direction
  • The mirror moves jerkily or does not stay in position

Causes

  • Short circuit to ground in wiring harness
  • Vertical adjustment potentiometer malfunction
  • Corrosion or oxidation of contacts
  • Damage to the mirror control unit

How to Fix

  1. Check the integrity of the wiring harness and contacts
  2. Measure the resistance of the potentiometer
  3. Check for short circuit to ground
  4. Replace potentiometer or wiring harness if necessary
  5. Test the functioning of the mirror after repair

Related codes

FAQ

What does the B2327 code mean?

B2327 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground

What causes a B2327 error code?

The most common causes of B2327 include: Short circuit to ground in wiring harness; Vertical adjustment potentiometer malfunction; Corrosion or oxidation of contacts; Damage to the mirror control unit.

How do I fix a B2327 diagnostic trouble code?

To fix B2327: Check the integrity of the wiring harness and contacts. Measure the resistance of the potentiometer. Check for short circuit to ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2327?

Limited driving only, diagnose soon

How much does it cost to fix B2327?

The estimated repair cost for B2327 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat